What is Doo Doo Check?
When you check for skid marks on the string of a thong.
Person 3; Ooooh girl, Doo Doo Check,
Person 2; Oh shit.
Person 1; Ooooh child, you fail.
See doo doo, poop, shit, thong, g-string, booty, skid marks, asshole, dookie, fecal